| @@ -5,11 +5,13 @@ | ||
| 5 | 5 | * Simple Cart object for now. Maybe need to expand later |
| 6 | 6 | * |
| 7 | 7 | * @author ThimPress |
| 8 | 8 | * @package LearnPress/Classes |
| 9 | - * @version 1.0 | |
| 9 | + * @version 1.0.1 | |
| 10 | 10 | */ |
| 11 | 11 | |
| 12 | +use LearnPress\Models\CourseModel; | |
| 13 | + | |
| 12 | 14 | defined( 'ABSPATH' ) || exit(); |
| 13 | 15 | |
| 14 | 16 | class LP_Cart { |
| 15 | 17 | |
| @@ -17,9 +19,9 @@ | ||
| 17 | 19 | * Unique instance of LP_Cart |
| 18 | 20 | * |
| 19 | 21 | * @var LP_Cart object |
| 20 | 22 | */ |
| 21 | - private static $instances = array(); | |
| 23 | + private static $instance = null; | |
| 22 | 24 | |
| 23 | 25 | /** |
| 24 | 26 | * Hold the content of the cart |
| 25 | 27 | * |
| @@ -24,9 +26,9 @@ | ||
| 24 | 26 | * Hold the content of the cart |
| 25 | 27 | * |
| 26 | 28 | * @var array |
| 27 | 29 | */ |
| 28 | - protected $_cart_content = array(); | |
| 30 | + protected $_cart_content = []; | |
| 29 | 31 | |
| 30 | 32 | /** |
| 31 | 33 | * Key of cart content stored in session |
| 32 | 34 | * |
| @@ -57,107 +59,45 @@ | ||
| 57 | 59 | if ( $key ) { |
| 58 | 60 | $this->_cart_session_key = $key; |
| 59 | 61 | } |
| 60 | 62 | |
| 61 | - LP_Request_Handler::register( 'add-course-to-cart', array( $this, 'add_to_cart' ), 20 ); | |
| 62 | - LP_Request_Handler::register( 'remove-cart-item', array( $this, 'remove_item' ), 20 ); | |
| 63 | + LP_Request::register( 'add-course-to-cart', array( $this, 'add_to_cart' ), 20 ); | |
| 64 | + LP_Request::register( 'remove-cart-item', array( $this, 'remove_item' ), 20 ); | |
| 63 | 65 | |
| 64 | - add_action( 'learn-press/add-to-cart', array( $this, 'calculate_totals' ), 10 ); | |
| 65 | - add_action( 'wp', array( $this, 'maybe_set_cart_cookies' ), 99 ); | |
| 66 | - add_action( 'shutdown', array( $this, 'maybe_set_cart_cookies' ), 0 ); | |
| 67 | - add_action( 'wp_loaded', array( $this, 'init' ) ); | |
| 66 | + //add_action( 'learn-press/add-to-cart', array( $this, 'calculate_totals' ), 10 ); | |
| 67 | + //add_action( 'wp', array( $this, 'maybe_set_cart_cookies' ), 99 ); | |
| 68 | + //add_action( 'shutdown', array( $this, 'maybe_set_cart_cookies' ), 0 ); | |
| 69 | + //add_action( 'wp_loaded', array( $this, 'init' ) ); | |
| 68 | 70 | } |
| 69 | 71 | |
| 70 | 72 | /** |
| 71 | - * Init cart. | |
| 72 | - * Get data from session and put to cart content. | |
| 73 | - */ | |
| 74 | - function init() { | |
| 75 | - $this->get_cart_from_session(); | |
| 76 | - } | |
| 77 | - | |
| 78 | - public function maybe_set_cart_cookies() { | |
| 79 | - | |
| 80 | - if ( ! headers_sent()/* && did_action( 'wp_loaded' )*/ ) { | |
| 81 | - // $this->set_cart_cookies( ! $this->is_empty() ); | |
| 82 | - } | |
| 83 | - } | |
| 84 | - | |
| 85 | - private function set_cart_cookies( $set = true ) { | |
| 86 | - if ( $set ) { | |
| 87 | - learn_press_setcookie( 'wordpress_lp_cart', 1 ); | |
| 88 | - } elseif ( isset( $_COOKIE['wordpress_lp_cart'] ) ) { | |
| 89 | - learn_press_setcookie( 'wordpress_lp_cart', 0, time() - HOUR_IN_SECONDS ); | |
| 90 | - } | |
| 91 | - | |
| 92 | - do_action( 'learn_press_set_cart_cookies', $set ); | |
| 93 | - } | |
| 94 | - | |
| 95 | - /** | |
| 96 | - * Get data from session | |
| 97 | - * | |
| 98 | - * @return array | |
| 99 | - */ | |
| 100 | - public function get_cart_for_session() { | |
| 101 | - $cart_session = array(); | |
| 102 | - | |
| 103 | - if ( $this->get_cart() ) { | |
| 104 | - foreach ( $this->get_cart() as $key => $values ) { | |
| 105 | - $cart_session[ $key ] = $values; | |
| 106 | - unset( $cart_session[ $key ]['data'] ); | |
| 107 | - } | |
| 108 | - } | |
| 109 | - | |
| 110 | - return $cart_session; | |
| 111 | - } | |
| 112 | - | |
| 113 | - /** | |
| 114 | - * Get cart content. | |
| 115 | - * | |
| 116 | - * @return array | |
| 117 | - */ | |
| 118 | - public function get_cart() { | |
| 119 | - if ( ! did_action( 'wp_loaded' ) ) { | |
| 120 | - _doing_it_wrong( __FUNCTION__, __( 'Get cart should not be called before the wp_loaded action.', 'learnpress' ), '2.3' ); | |
| 121 | - } | |
| 122 | - | |
| 123 | - if ( ! did_action( 'learn_press_cart_loaded_from_session' ) ) { | |
| 124 | - $this->get_cart_from_session(); | |
| 125 | - } | |
| 126 | - | |
| 127 | - return array_filter( (array) $this->_cart_content ); | |
| 128 | - } | |
| 129 | - | |
| 130 | - /** | |
| 131 | 73 | * Add course to cart. |
| 132 | 74 | * |
| 133 | - * @param int $item_id | |
| 134 | - * @param int $quantity | |
| 75 | + * @param int $item_id | |
| 76 | + * @param int $quantity | |
| 135 | 77 | * @param array $item_data |
| 136 | 78 | * |
| 137 | - * @return mixed | |
| 79 | + * @return string|false | |
| 138 | 80 | */ |
| 139 | 81 | public function add_to_cart( int $item_id = 0, int $quantity = 1, array $item_data = array() ) { |
| 140 | 82 | try { |
| 83 | + /** | |
| 84 | + * Todo: check it to change, not use get_post_type | |
| 85 | + * Ex: addon membership has plan need payment, but not use custom post type | |
| 86 | + * Or addon certificate, currently use custom post type, but feature after upgrade, not save on posts table | |
| 87 | + */ | |
| 141 | 88 | $item_type = get_post_type( $item_id ); |
| 142 | 89 | |
| 143 | 90 | if ( ! in_array( $item_type, learn_press_get_item_types_can_purchase() ) ) { |
| 144 | - throw new Exception( 'Item type is invalid!', 'learnpress' ); | |
| 91 | + throw new Exception( __( 'Item type is invalid!', 'learnpress' ) ); | |
| 145 | 92 | } |
| 146 | 93 | |
| 147 | 94 | switch ( $item_type ) { |
| 148 | 95 | case LP_COURSE_CPT: |
| 149 | - $course = learn_press_get_course( $item_id ); | |
| 150 | - | |
| 151 | - if ( ! $course->is_purchasable() ) { | |
| 152 | - throw new Exception( __( 'Sorry! This course is not purchasable.', 'learnpress' ) ); | |
| 96 | + $course = CourseModel::find( $item_id, true ); | |
| 97 | + if ( ! $course ) { | |
| 98 | + throw new Exception( __( 'Course is not exists!', 'learnpress' ) ); | |
| 153 | 99 | } |
| 154 | - | |
| 155 | - if ( ! $course->is_in_stock() ) { | |
| 156 | - throw new Exception( __( 'Sorry! The number of enrolled students has reached limit', 'learnpress' ) ); | |
| 157 | - } | |
| 158 | - | |
| 159 | - $item_data['data'] = $course; | |
| 160 | 100 | break; |
| 161 | 101 | default: |
| 162 | 102 | $item_data = apply_filters( 'learnpress/cart/add-item/item_type_' . $item_type, $item_data, $item_id, $quantity ); |
| 163 | 103 | break; |
| @@ -162,12 +102,10 @@ | ||
| 162 | 102 | $item_data = apply_filters( 'learnpress/cart/add-item/item_type_' . $item_type, $item_data, $item_id, $quantity ); |
| 163 | 103 | break; |
| 164 | 104 | } |
| 165 | 105 | |
| 166 | - // $item_data = apply_filters( 'learnpress/cart/item-data', $item_data, $item_id ); | |
| 167 | - | |
| 168 | - $cart_id = $this->generate_cart_id( $item_id, $item_data ); | |
| 169 | - | |
| 106 | + $cart_id = $this->generate_cart_id( $item_id, $item_data ); | |
| 107 | + $this->_cart_content = $this->get_cart_from_session(); | |
| 170 | 108 | $this->_cart_content[ $cart_id ] = apply_filters( |
| 171 | 109 | 'learn_press_add_cart_item', |
| 172 | 110 | array_merge( |
| 173 | 111 | array( |
| @@ -172,25 +110,28 @@ | ||
| 172 | 110 | array_merge( |
| 173 | 111 | array( |
| 174 | 112 | 'item_id' => $item_id, |
| 175 | 113 | 'quantity' => $quantity, |
| 176 | - 'data' => array(), | |
| 114 | + //'data' => array(), | |
| 177 | 115 | ), |
| 178 | 116 | $item_data |
| 179 | 117 | ) |
| 180 | 118 | ); |
| 181 | 119 | |
| 182 | - $this->set_cart_cookies( true ); | |
| 120 | + // Fixed security, quantity must be > 0 | |
| 121 | + if ( (int) $this->_cart_content[ $cart_id ]['quantity'] <= 0 ) { | |
| 122 | + $this->_cart_content[ $cart_id ]['quantity'] = 1; | |
| 123 | + } | |
| 183 | 124 | |
| 184 | - /** | |
| 185 | - * @see LP_Cart::calculate_totals() | |
| 186 | - */ | |
| 125 | + // Update cart to session DB. | |
| 126 | + $this->update_session( $this->_cart_content ); | |
| 127 | + | |
| 187 | 128 | do_action( 'learn-press/add-to-cart', $item_id, $quantity, $item_data, $cart_id ); |
| 188 | 129 | |
| 189 | 130 | return $cart_id; |
| 190 | 131 | } catch ( Exception $e ) { |
| 191 | 132 | if ( $e->getMessage() ) { |
| 192 | - learn_press_add_message( $e->getMessage(), 'error' ); | |
| 133 | + | |
| 193 | 134 | } |
| 194 | 135 | |
| 195 | 136 | return false; |
| 196 | 137 | } |
| @@ -211,9 +152,9 @@ | ||
| 211 | 152 | unset( $this->_cart_content['items'][ $item_id ] ); |
| 212 | 153 | |
| 213 | 154 | do_action( 'learn_press_cart_item_removed', $item_id, $this ); |
| 214 | 155 | |
| 215 | - $this->calculate_totals(); | |
| 156 | + $this->update_session( $this->_cart_content ); | |
| 216 | 157 | |
| 217 | 158 | return true; |
| 218 | 159 | } |
| 219 | 160 | |
| @@ -221,19 +162,25 @@ | ||
| 221 | 162 | } |
| 222 | 163 | |
| 223 | 164 | /** |
| 224 | 165 | * Re-calculate cart totals and update data to session |
| 166 | + * | |
| 167 | + * @since 3.0.0 | |
| 168 | + * @version 4.0.2 | |
| 225 | 169 | */ |
| 226 | 170 | public function calculate_totals() { |
| 227 | - $total = $subtotal = 0; | |
| 228 | - $this->total = $this->subtotal = 0; | |
| 229 | - $items = $this->get_cart(); | |
| 171 | + $data = new stdClass(); | |
| 172 | + $total = 0; | |
| 173 | + $data->subtotal = $total; | |
| 174 | + $data->total = $total; | |
| 175 | + $subtotal = $total; | |
| 176 | + $this->total = $total; | |
| 177 | + $this->subtotal = $total; | |
| 178 | + $items = $this->get_items(); | |
| 230 | 179 | |
| 231 | 180 | if ( $items ) { |
| 232 | 181 | foreach ( $items as $cart_id => $item ) { |
| 233 | - | |
| 234 | 182 | $item_type = get_post_type( $item['item_id'] ); |
| 235 | - | |
| 236 | 183 | if ( ! in_array( $item_type, learn_press_get_item_types_can_purchase() ) ) { |
| 237 | 184 | continue; |
| 238 | 185 | } |
| 239 | 186 | |
| @@ -248,33 +195,49 @@ | ||
| 248 | 195 | } |
| 249 | 196 | |
| 250 | 197 | $total = $subtotal; |
| 251 | 198 | |
| 252 | - $this->_cart_content[ $cart_id ]['subtotal'] = $subtotal; | |
| 253 | - $this->_cart_content[ $cart_id ]['total'] = $total; | |
| 199 | + $data->subtotal += $subtotal; | |
| 200 | + $data->total += $total; | |
| 254 | 201 | |
| 255 | - $this->subtotal += $subtotal; | |
| 256 | - $this->total += $total; | |
| 202 | + // For template old use. | |
| 203 | + LearnPress::instance()->cart->subtotal += $subtotal; | |
| 204 | + LearnPress::instance()->cart->total += $total; | |
| 257 | 205 | } |
| 258 | 206 | } |
| 259 | 207 | |
| 260 | - $this->update_session(); | |
| 208 | + return apply_filters( 'lp/cart/calculate_total', $data, $items ); | |
| 209 | + | |
| 210 | + //$this->update_session(); | |
| 261 | 211 | } |
| 262 | 212 | |
| 263 | 213 | /** |
| 264 | 214 | * Update cart content to session |
| 215 | + * | |
| 216 | + * @since 3.0.0 | |
| 217 | + * @version 1.0.1 | |
| 265 | 218 | */ |
| 266 | - public function update_session() { | |
| 267 | - learn_press_session_set( $this->_cart_session_key, $this->get_cart_for_session() ); | |
| 268 | - } | |
| 219 | + public function update_session( array $cart_content = [] ) { | |
| 220 | + //learn_press_session_set( $this->_cart_session_key, $this->get_cart_for_session() ); | |
| 221 | + //$cart = $this->get_cart(); | |
| 269 | 222 | |
| 270 | - /** | |
| 271 | - * Get cart id | |
| 272 | - * | |
| 273 | - * @return mixed | |
| 274 | - */ | |
| 275 | - public function get_cart_id() { | |
| 276 | - return ! empty( $_SESSION['learn_press_cart']['cart_id'] ) ? $_SESSION['learn_press_cart']['cart_id'] : 0; | |
| 223 | + // Only save data item_id and quantity. | |
| 224 | + /** | |
| 225 | + * Current certificate is not compatible with type $data_cart_save, | |
| 226 | + * because certificate override hook 'learn-press/review-order/cart-item-product' to set course. | |
| 227 | + * Need rewrite certificate to compatible with new cart. | |
| 228 | + */ | |
| 229 | + /*$data_cart_save = array_map( | |
| 230 | + function ( $item ) { | |
| 231 | + return array( | |
| 232 | + 'item_id' => $item['item_id'], | |
| 233 | + 'quantity' => $item['quantity'], | |
| 234 | + ); | |
| 235 | + }, | |
| 236 | + $cart | |
| 237 | + );*/ | |
| 238 | + | |
| 239 | + LearnPress::instance()->session->set( $this->_cart_session_key, $cart_content, true ); | |
| 277 | 240 | } |
| 278 | 241 | |
| 279 | 242 | /** |
| 280 | 243 | * Get all items from cart. |
| @@ -280,56 +243,29 @@ | ||
| 280 | 243 | * Get all items from cart. |
| 281 | 244 | * |
| 282 | 245 | * @return array |
| 283 | 246 | */ |
| 284 | - public function get_items() { | |
| 285 | - $items = $this->get_cart(); | |
| 286 | - | |
| 287 | - return $items; | |
| 247 | + public function get_items(): array { | |
| 248 | + return $this->get_cart_from_session(); | |
| 288 | 249 | } |
| 289 | 250 | |
| 290 | 251 | /** |
| 291 | 252 | * Load cart content data from session |
| 253 | + * | |
| 254 | + * @since 3.0.0 | |
| 255 | + * @version 3.0.2 | |
| 256 | + * @modify 4.2.0 - tungnx | |
| 292 | 257 | */ |
| 293 | 258 | public function get_cart_from_session() { |
| 294 | - if ( ! did_action( 'learn_press_get_cart_from_session' ) ) { | |
| 295 | - $cart = learn_press_session_get( $this->_cart_session_key ); | |
| 296 | - $data = array(); | |
| 297 | - if ( $cart ) { | |
| 298 | - foreach ( $cart as $cart_id => $values ) { | |
| 299 | - if ( ! empty( $values['item_id'] ) ) { | |
| 259 | + $session_data = LearnPress::instance()->session->get_session_data(); | |
| 260 | + $cart = maybe_unserialize( $session_data['cart'] ?? '' ); | |
| 261 | + if ( ! is_array( $cart ) ) { | |
| 262 | + $cart = []; | |
| 263 | + } | |
| 300 | 264 | |
| 301 | - $item_type = get_post_type( $values['item_id'] ); | |
| 302 | - if ( ! in_array( $item_type, learn_press_get_item_types_can_purchase() ) ) { | |
| 303 | - return false; | |
| 304 | - } | |
| 305 | - switch ( $item_type ) { | |
| 306 | - case LP_COURSE_CPT: | |
| 307 | - $course = learn_press_get_course( $values['item_id'] ); | |
| 308 | - if ( $course && $course->exists() && $values['quantity'] > 0 ) { | |
| 309 | - if ( ! $course->is_purchasable() ) { | |
| 310 | - learn_press_add_message( sprintf( __( '%s has been removed from your cart because it can no longer be purchased.', 'learnpress' ), $course->get_title() ), 'error' ); | |
| 311 | - do_action( 'learn-press/remove-cart-item-from-session', $cart, $values ); | |
| 312 | - } else { | |
| 313 | - $data = array_merge( $values, array( 'data' => $course ) ); | |
| 314 | - $this->_cart_content[ $cart_id ] = $data; | |
| 315 | - } | |
| 316 | - } | |
| 317 | - break; | |
| 318 | - default: | |
| 319 | - $this->_cart_content[ $cart_id ] = apply_filters( 'learn-press/get-cart-item-from-session/item_type_' . $item_type, $data, $values, $cart_id ); | |
| 320 | - break; | |
| 321 | - } | |
| 322 | - } | |
| 323 | - } | |
| 324 | - } | |
| 265 | + $this->_cart_content = $cart; | |
| 325 | 266 | |
| 326 | - do_action( 'learn_press_cart_loaded_from_session' ); | |
| 327 | - LP()->session->set( $this->_cart_session_key, $this->get_cart_for_session() ); | |
| 328 | - do_action( 'learn_press_get_cart_from_session' ); | |
| 329 | - | |
| 330 | - $this->calculate_totals(); | |
| 331 | - } | |
| 267 | + return $this->_cart_content; | |
| 332 | 268 | } |
| 333 | 269 | |
| 334 | 270 | /** |
| 335 | 271 | * Get cart sub-total |
| @@ -336,11 +272,11 @@ | ||
| 336 | 272 | * |
| 337 | 273 | * @return mixed |
| 338 | 274 | */ |
| 339 | 275 | public function get_subtotal() { |
| 340 | - $subtotal = apply_filters( 'learn_press_get_cart_subtotal', learn_press_format_price( $this->subtotal, true ) ); | |
| 276 | + $subtotal = learn_press_format_price( $this->subtotal, true ); | |
| 341 | 277 | |
| 342 | - return apply_filters( 'learn-press/cart-subtotal', $subtotal ); | |
| 278 | + return apply_filters( 'learn-press/cart-subtotal', $subtotal, $this ); | |
| 343 | 279 | } |
| 344 | 280 | |
| 345 | 281 | /** |
| 346 | 282 | * Get cart total |
| @@ -347,17 +283,17 @@ | ||
| 347 | 283 | * |
| 348 | 284 | * @return mixed |
| 349 | 285 | */ |
| 350 | 286 | public function get_total() { |
| 351 | - $total = apply_filters( 'learn_press_get_cart_total', learn_press_format_price( $this->total, true ) ); | |
| 287 | + $total = learn_press_format_price( $this->total, true ); | |
| 352 | 288 | |
| 353 | - return apply_filters( 'learn-press/cart-total', $total ); | |
| 289 | + return apply_filters( 'learn-press/cart-total', $total, $this ); | |
| 354 | 290 | } |
| 355 | 291 | |
| 356 | 292 | /** |
| 357 | 293 | * Generate unique cart id from course id and data. |
| 358 | 294 | * |
| 359 | - * @param int $course_id | |
| 295 | + * @param int $course_id | |
| 360 | 296 | * @param mixed $data |
| 361 | 297 | * |
| 362 | 298 | * @return string |
| 363 | 299 | */ |
| @@ -379,21 +315,21 @@ | ||
| 379 | 315 | return apply_filters( 'learn-press/cart-id', md5( join( '_', $cart_id ) ), $cart_id, $data ); |
| 380 | 316 | } |
| 381 | 317 | |
| 382 | 318 | /** |
| 383 | - * Return sub-total of cart content | |
| 319 | + * Return subtotal of cart content | |
| 384 | 320 | * |
| 385 | - * @param LP_Course $course | |
| 386 | - * @param int $quantity | |
| 321 | + * @param LP_Course|LP_Certificate|CourseModel $item | |
| 322 | + * @param int $quantity | |
| 387 | 323 | * |
| 388 | 324 | * @return mixed |
| 389 | 325 | */ |
| 390 | - public function get_item_subtotal( $course, $quantity = 1 ) { | |
| 391 | - $price = $course->get_price(); | |
| 326 | + public function get_item_subtotal( $item, int $quantity = 1 ) { | |
| 327 | + $price = $item->get_price(); | |
| 392 | 328 | $row_price = $price * $quantity; |
| 393 | 329 | $course_subtotal = learn_press_format_price( $row_price, true ); |
| 394 | 330 | |
| 395 | - return apply_filters( 'learn-press/cart/item-subtotal', $course_subtotal, $course, $quantity, $this ); | |
| 331 | + return apply_filters( 'learn-press/cart/item-subtotal', $course_subtotal, $item, $quantity, $this ); | |
| 396 | 332 | } |
| 397 | 333 | |
| 398 | 334 | /** |
| 399 | 335 | * Clean all items from cart |
| @@ -399,17 +335,19 @@ | ||
| 399 | 335 | * Clean all items from cart |
| 400 | 336 | * |
| 401 | 337 | * @return $this |
| 402 | 338 | */ |
| 403 | - public function empty_cart() { | |
| 339 | + public function empty_cart(): LP_Cart { | |
| 404 | 340 | |
| 405 | 341 | do_action( 'learn-press/cart/before-empty' ); |
| 406 | 342 | |
| 407 | 343 | $this->_cart_content = array(); |
| 344 | + $lp_session = LearnPress::instance()->session; | |
| 345 | + $lp_session->remove( 'order_awaiting_payment', true ); | |
| 346 | + $lp_session->remove( 'cart', true ); | |
| 347 | + //unset( LearnPress::instance()->session->order_awaiting_payment ); | |
| 348 | + //unset( LearnPress::instance()->session->cart ); | |
| 408 | 349 | |
| 409 | - unset( LP()->session->order_awaiting_payment ); | |
| 410 | - unset( LP()->session->cart ); | |
| 411 | - | |
| 412 | 350 | do_action( 'learn-press/cart/emptied' ); |
| 413 | 351 | |
| 414 | 352 | return $this; |
| 415 | 353 | } |
| @@ -418,22 +356,12 @@ | ||
| 418 | 356 | * Check if cart is empty or not |
| 419 | 357 | * |
| 420 | 358 | * @return bool |
| 421 | 359 | */ |
| 422 | - public function is_empty() { | |
| 423 | - return sizeof( $this->get_cart() ) === 0; | |
| 424 | - } | |
| 360 | + public function is_empty(): bool { | |
| 361 | + $cart_content = $this->get_cart_from_session(); | |
| 425 | 362 | |
| 426 | - /** | |
| 427 | - * Get checkout url for checkout page | |
| 428 | - * Return default url of checkout page | |
| 429 | - * | |
| 430 | - * @return mixed | |
| 431 | - */ | |
| 432 | - public function get_checkout_url() { | |
| 433 | - $checkout_url = learn_press_get_page_link( 'checkout' ); | |
| 434 | - | |
| 435 | - return apply_filters( 'learn_press_get_checkout_url', $checkout_url ); | |
| 363 | + return sizeof( $cart_content ) === 0; | |
| 436 | 364 | } |
| 437 | 365 | |
| 438 | 366 | /** |
| 439 | 367 | * Checks if need to payment |
| @@ -441,97 +369,23 @@ | ||
| 441 | 369 | * |
| 442 | 370 | * @return mixed |
| 443 | 371 | */ |
| 444 | 372 | public function needs_payment() { |
| 445 | - return apply_filters( 'learn_press_cart_needs_payment', $this->total > 0, $this ); | |
| 446 | - } | |
| 373 | + $cart_data = $this->calculate_totals(); | |
| 447 | 374 | |
| 448 | - /** | |
| 449 | - * Process action for purchase course button | |
| 450 | - * | |
| 451 | - * @param $course_id | |
| 452 | - * @depecated 4.1.6.8 | |
| 453 | - */ | |
| 454 | - public function purchase_course_handler( $course_id ) { | |
| 455 | - _deprecated_function( __FUNCTION__, '4.1.6.8' ); | |
| 456 | - do_action( 'learn_press_before_purchase_course_handler', $course_id, $this ); | |
| 457 | - | |
| 458 | - if ( apply_filters( 'learn_press_purchase_single_course', true ) ) { | |
| 459 | - $this->empty_cart(); | |
| 460 | - } | |
| 461 | - | |
| 462 | - $this->add_to_cart( $course_id, 1, $_POST ); | |
| 463 | - $redirect = learn_press_get_checkout_url(); | |
| 464 | - $has_checkout = $redirect ? true : false; | |
| 465 | - $need_checkout = $this->needs_payment(); | |
| 466 | - | |
| 467 | - // In case the course is FREE and "No checkout free course" is turn off | |
| 468 | - if ( ! $need_checkout ) { | |
| 469 | - $user = learn_press_get_current_user(); | |
| 470 | - if ( ! $user->has_purchased_course( $course_id )/* || $user->has_finished_course( $course_id ) */ ) { | |
| 471 | - require_once LP_PLUGIN_PATH . '/inc/gateways/class-lp-gateway-none.php'; | |
| 472 | - $checkout = learn_press_get_checkout( array( 'payment_method' => new LP_Gateway_None() ) ); | |
| 473 | - | |
| 474 | - /** | |
| 475 | - * + Auto enroll | |
| 476 | - */ | |
| 477 | - // add_filter( 'learn_press_checkout_success_result', '_learn_press_checkout_success_result', 10, 2 ); | |
| 478 | - $checkout->process_checkout(); | |
| 479 | - // remove_filter( 'learn_press_checkout_success_result', '_learn_press_checkout_success_result', 10 ); | |
| 480 | - }/* | |
| 481 | - else { | |
| 482 | - if ( $user->has_finished_course( $course_id ) ) { | |
| 483 | - learn_press_add_message( __( 'You have already finished course', 'learnpress' ) ); | |
| 484 | - } else { | |
| 485 | - learn_press_add_message( __( 'You have already enrolled course', 'learnpress' ) ); | |
| 486 | - } | |
| 487 | - }*/ | |
| 488 | - } else { | |
| 489 | - | |
| 490 | - // Checkout page is not setting up | |
| 491 | - if ( ! $has_checkout ) { | |
| 492 | - learn_press_add_message( __( 'Checkout page hasn\'t been setup', 'learnpress' ), 'error' ); | |
| 493 | - } else { | |
| 494 | - wp_redirect( apply_filters( 'learn_press_checkout_redirect', $redirect ) ); | |
| 495 | - exit(); | |
| 496 | - } | |
| 497 | - } | |
| 498 | - | |
| 499 | - return; | |
| 375 | + return apply_filters( 'learn_press_cart_needs_payment', $cart_data->total > 0, $this ); | |
| 500 | 376 | } |
| 501 | 377 | |
| 502 | - /** | |
| 503 | - * Destroy cart instance | |
| 504 | - */ | |
| 505 | - public function destroy() { | |
| 506 | 378 | |
| 507 | - } | |
| 508 | - | |
| 509 | - | |
| 510 | 379 | /** |
| 511 | 380 | * Get unique instance of LP_Cart object |
| 512 | 381 | * |
| 513 | - * @return LP_Cart|mixed | |
| 382 | + * @return LP_Cart | |
| 514 | 383 | */ |
| 515 | 384 | public static function instance() { |
| 516 | - $class = __CLASS__; | |
| 517 | - if ( function_exists( 'get_called_class' ) ) { | |
| 518 | - $class = get_called_class(); | |
| 385 | + if ( is_null( self::$instance ) ) { | |
| 386 | + self::$instance = new self(); | |
| 519 | 387 | } |
| 520 | 388 | |
| 521 | - $backtrace = debug_backtrace(); | |
| 522 | - | |
| 523 | - if ( isset( $backtrace[2]['function'] ) ) { | |
| 524 | - if ( 'call_user_func' === $backtrace[2]['function'] ) { | |
| 525 | - $class = $backtrace[2]['args'][0][0]; | |
| 526 | - } | |
| 527 | - } elseif ( isset( $backtrace[2]['class'] ) ) { | |
| 528 | - $class = $backtrace[2]['class']; | |
| 529 | - } | |
| 530 | - | |
| 531 | - if ( empty( self::$instances[ $class ] ) ) { | |
| 532 | - self::$instances[ $class ] = new $class(); | |
| 533 | - } | |
| 534 | - | |
| 535 | - return self::$instances[ $class ]; | |
| 389 | + return self::$instance; | |
| 536 | 390 | } |
| 537 | 391 | } |
